The bifold door hardware kit can repair doors weighing up to 50 pounds and thicknesses ranging from 1 inch to 1-3/8 inch, suitable for tracks from 7/8 inch to 1 inch wide. (Please note that tracks and hinges are not included.) The double bifold closet door hardware repair kit comes with all necessary hardware and easy-to-follow installation instructions, which makes installation easy even for those without experience. Double bifold closet door repair kit allows you to quickly repair doors without replacing them, ensuring smooth operation while saving you time and money. High-quality material, smooth operation - The double bifold door hardware is made of stainless steel and PA6 nylon plastic material, which is sturdy and durable, waterproof and moisture-proof, avoiding frequent sliding that can cause parts to break, causing the bifold door. tilt or even fall, the life of the door. The pivot and guide wheels of the kit are designed to provide smooth and easy operation, allowing the door